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Data from robotic drifters explain mysterious holes in Antarctic sea ice（图）
robotic drifters mysterious holes Antarctic sea ice
2019/7/12
Winter ice on the surface of Antarctica's Weddell Sea sometimes has an enormous hole called a polynya. A polynya that appeared in 2016 and 2017 offered a unique opportunity for oceanographers to monit...
Record-low 2016 Antarctic sea ice due to ‘perfect storm’ of tropical,polar conditions（图）
record-low 2016 antarctic sea ice perfect storm tropical polar conditions
2017/8/31
While winter sea ice in the Arctic is declining so dramatically that ships can now navigate those waters without any icebreaker escort, the scene in the Southern Hemisphere is very different. Sea ice ...
Expanding Antarctic sea ice linked to natural variability（图）
Antarctic sea ice natural variability
2016/7/4
The recent trend of increasing Antarctic sea ice extent — seemingly at odds with climate model projections — can largely be explained by a natural climate fluctuation, according to a new study led by ...
As the world’s ice diminishes in the face of climate change—from the
dramatic decline in Arctic sea ice, to thinning at the margins of both the Greenland
and Antarctic ice sheets, to retreating mo...
Unmanned underwater vehicle provides first 3-D images of underside of Antarctic sea ice（图）
Antarctic sea ice 3-D images
2014/11/24
A video news release and b-roll are available by contacting Dena Headlee, (703) 292-7739 / dheadlee@nsf.gov
A National Science Foundation (NSF)-funded research team has successfully tested an autonom...
Antarctica’s Ross Sea is one of the few polar regions where summer sea-ice coverage has increased during the last few decades, bucking a global trend of drastic declines in summer sea ice across the A...
Enhanced tropospheric BrO over Antarctic sea ice in mid winter observed by MAX-DOAS on board the research vessel Polarstern
tropospheric BrO Antarctic sea ice MAX-DOAS Polarstern
2008/12/12
We present Multi AXis-Differential Optical Absorption Spectroscopy (MAX-DOAS) observations of tropospheric BrO carried out on board the German research vessel Polarstern during the Antarctic winter 2...
Vitamin B12 and cobalt cycling among diatoms and bacteria in Antarctic sea ice microbial communities
Vitamin B12 cobalt cycling among diatoms
2008/4/21
Within McMurdo Sound’s annual sea ice, assimilation and concentrations of vitamin B12 (cobalamin),
microbial community productivity, and biomass were examined among three 100-m2
quadrats where light...